[TowerTalk] problems with 10m COMTEK 4 sq unit

I have used 4 square vertical arrays on many bands to augment our multi
receiving
station capabilities. As reported by other stations, the polarization isolation
and small size lends itself very well to this application. The instant direction
switching is a big bonus. We do not transmit into the arrays used above 3.5 MHz.
They are receive only.
I have Comtek 4 square boxes for all 6 HF contest bands. They work very well and
I have not experienced any trouble getting ground mounted quarter wave verticals
with ground mounted radial systems to work. The supplied directions are very
specific on how to accomplish this.
I have measured the Comtek coupler performance on my HP 8752A Network Analyzer
and have found the units to meet all theoretical design criteria.
The current Comtek manual provides many pages of ideas for building successful 4
square arrays.
73,
Tim K3LR
K7LXC@aol.com wrote:
> In a message dated 3/19/01 8:55:23 AM Pacific Standard Time,
> tduffy@sygnet.com writes:
>
> > I have a 4 square on 10 meters with the Comtek hybrid and it works perfect.
> >
> Okay, I'll bite. What was your rationale for building one for 10M? While
> 160, 80 and 40 versions are plentiful, I haven't heard of one for 10M. What
> advantages would it have on 10M where yagis are fairly cheap and effective?
>
> Cheers, Steve K7LXC
> Tower Tech
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